Home / 396,856,381.23-547,692,449.58-238,092,457.59

Finding the Fourth Proportional to 396,856,381.23, 547,692,449.58 and 238,092,457.59

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Solution

The fourth proportional to 396,856,381.23, 547,692,449.58 and 238,092,457.59 is: 328,585,975.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,856,381.23 : 547,692,449.58 = 238,092,457.59 : x
  2. Step 2: Convert to fraction form
    396,856,381.23/547,692,449.58 = 238,092,457.59/x
  3. Step 3: Cross multiply
    396,856,381.23x = 547,692,449.58 × 238,092,457.59
  4. Step 4: Simplify right side
    396,856,381.23x = 130,401,441,323,989,376
  5. Step 5: Solve for x
    x = 130,401,441,323,989,376/396,856,381.23
  6. Step 6: Final answer
    x = 328,585,975.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.